逐梦星辰大海！这些“大国重器”蕴含的硬核实力彰显中国力量

Core Viewpoint - The Shenzhou-20 crew successfully completed their fourth extravehicular activity (EVA), marking a significant milestone in China's space exploration efforts, with a focus on collaboration and efficiency in operations [1][10][12]. Group 1: Extravehicular Activity Details - The EVA was conducted by astronauts Chen Dong, Chen Zhongrui, and Wang Jie, who worked closely with ground support to complete tasks including the installation of space debris protection devices and inspection of external equipment [1][7]. - This EVA was notable as it was the first time two astronauts from the third batch worked together on an extravehicular task, showcasing the progress in training and operational capabilities [7][16]. - The astronauts utilized the Tianhe core module's robotic arm for the first time in this context, which allowed for optimized path planning and increased efficiency during the operation [10]. Group 2: Mission Progress and Future Plans - The Shenzhou-20 crew has been in orbit for over 150 days and has successfully completed four EVAs, along with numerous scientific experiments and maintenance tasks [12][14]. - Future plans include conducting additional scientific experiments and technical tests, as well as celebrating national holidays in space [14]. - The crew expressed gratitude for the support from ground teams and highlighted the collaborative spirit that contributed to the success of their missions [16][18].